Datasheet
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140
100 & 200 Series
Bulk Ceramic Axial Lead Resistors
ORDERING INFORMATION
DIMENSIONS
Type Terminal Option
SP
No Sufx = Standard Includes aluminum metal-
ization under caps/leads.
AS, BA
DS = Standard Includes dielectric coating and
silver metalization under caps/leads.
SP, AS, BA
O = Oil resistant coating
Packaging: Bulk in poly bags is standard. Tape & reel is also
available.
102AS101KDS
Tolerance
J = ±5%
K = ±10%
L = ±20%
Terminal
Options
see chart
Construction
Type
Resistance (Ω)
For ≥10Ω: First 2 digits
are significant, third is
number of zeros to
follow, e.g. 101 = 100Ω
For <10Ω: R replaces
decimal point, e.g. 7R5
= 7.5Ω
Diam. d max. Length L max.
Size in. (mm) in. (mm)
231 0.2 (5.1) 0.75 (19.1)
233 0.31 (7.9) 0.75 (19.1)
234 0.31 (7.9) 1.125 (28.6)
250 0.44 (11.1) 0.75 (19.1)
251 0.44 (11.1) 1.125 (28.6)
102 0.31 (7.9) 2.125 (54.0)
252 0.44 (11.1) 2.125 (54.0)
104 0.31 (7.9) 4.125 (104.8)
254 0.44 (11.1) 4.125 (104.8)
106 0.31 (7.9) 6.125 (155.6)
256 0.44 (11.1) 6.125 (155.6)
109 0.31 (7.9) 9.125 (231.8)
259 0.44 (11.1) 9.125 (231.8)
L
d
1.375" (34.9 mm) min.
#20 AWG tinned copper
Derating
Characteristic Test Type SP Type AS
Operating Temp.
-55°C to +350°C* -55°C to +230°C
Resistance Temp.
Coefficient
+0.2 to -0.08 %/°C +0.0 to -0.08 %/°C
Voltage Coefficient
Max. % per kilovolt per inch
active length
-1.0% -1.0%
Short Time
Overload
Max. % change after 10
cycles of 1000% rated power
5 sec. On, 90 sec. Off
±5% ±2%
Load Life
Max. % change after 1,000
hours at rated power
±5% ±5%
Thermal Shock
Max. % change after 10
cycles -55°C to +125°C
±3% ±3%
Moisture
Resistance
Max. % change when tested
per MIL-STD-202, Method 103
±5% ±5%
Density
2.2-2.4 gm/cc 2.2-2.6 gm/cc
Specific Heat
0.24-0.26 cal/gm -°C 0.23-0.25 cal/gm -°C
Thermal
Conductivity
0.14-0.16 cal/(cm-°C-sec) 0.003-0.006 cal/(cm-°C-sec)
*When required, Type SP material can withstand short periods of use at red-heat conditions, i.e. up to 550°C to 600°C
CHARACTERISTICS
Ambient Temperature (°C)
SP
100
40
80
20
60
0
% Rated Power
40°
300 400100 2000
350° 230°
AS & BA
rev 1/19-4